diff options
| author | Christopher Faylor <me@cgf.cx> | 2004-02-09 04:04:24 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2004-02-09 04:04:24 +0000 |
| commit | cec4879206f2158d19eccdf5395b551da7c22cb3 (patch) | |
| tree | 9360159e144fab21242d60375653ef2def3206ef /winsup/cygwin/gendef | |
| parent | 733309f5761d777a61b8db86e734fbffc236f104 (diff) | |
| download | newlib-cec4879206f2158d19eccdf5395b551da7c22cb3.zip newlib-cec4879206f2158d19eccdf5395b551da7c22cb3.tar.gz newlib-cec4879206f2158d19eccdf5395b551da7c22cb3.tar.bz2 | |
* debug.h (console_printf): Define for non-debugging condition.
* cygtls.h (_threadinfo::lock): Remove wait argument.
(_threadinfo::interrupt_setup): Remove retaddr argument.
* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
(_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument.
(setup_handler): Ditto. Always lock sig stack prior to determining interrupt
method.
* gendef (_sigfe): Correct thinko regarding cmpxchg.
(_sigbe): Ditto.
(_threadinfo::lock): Ditto.
(_threadinfo::pop): Eliminate left-over stack unlock.
* sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
Diffstat (limited to 'winsup/cygwin/gendef')
| -rwxr-xr-x | winsup/cygwin/gendef | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/winsup/cygwin/gendef b/winsup/cygwin/gendef index 2457314..b391d50 100755 --- a/winsup/cygwin/gendef +++ b/winsup/cygwin/gendef @@ -94,8 +94,9 @@ __sigfe: pushl %edx movl %fs:4,%edx 1: movl \$1,%eax - lock cmpxchg %eax,$tls::stacklock(%edx) - jne 2f + lock xchgl %eax,$tls::stacklock(%edx) + cmpl %eax,%eax + jz 2f xorl %eax,%eax call _low_priority_sleep jmp 1b @@ -103,7 +104,7 @@ __sigfe: xadd %eax,$tls::stackptr(%edx) decl $tls::stacklock(%edx) leal __sigbe,%edx - xchg %edx,8(%esp) + xchgl %edx,8(%esp) movl %edx,(%eax) popl %edx ret @@ -115,15 +116,17 @@ __sigbe: pushl %eax movl %fs:4,%edx 1: movl \$1,%eax - lock cmpxchg %eax,$tls::stacklock(%edx) - jne 2f + lock xchgl %eax,$tls::stacklock(%edx) + cmpl %eax,%eax + jz 2f xorl %eax,%eax call _low_priority_sleep jmp 1b 2: movl \$-4,%eax xadd %eax,$tls::stackptr(%edx) - xchg %edx,-4(%eax) - xchg %edx,4(%esp) + decl $tls::stacklock(%edx) + xchgl %edx,-4(%eax) + xchgl %edx,4(%esp) popl %eax ret @@ -134,19 +137,17 @@ __ZN11_threadinfo3popEv: movl \$-4,%ebx xadd %ebx,$tls::pstackptr(%edx) xorl %eax,%eax - xchg %eax,-4(%ebx) - decl $tls::pstacklock(%edx) + xchgl %eax,-4(%ebx) popl %ebx ret - .global __ZN11_threadinfo4lockEi -__ZN11_threadinfo4lockEi: + .global __ZN11_threadinfo4lockEv +__ZN11_threadinfo4lockEv: pushl %ebx movl %eax,%ebx 1: movl \$1,%eax - lock cmpxchg %eax,$tls::pstacklock(%ebx) - jne 2f - cmpl %edx,%edx + lock xchgl %eax,$tls::pstacklock(%ebx) + cmpl %eax,%eax jz 2f xorl %eax,%eax call _low_priority_sleep |